Armrest



FIG. 1 is a front perspective view of an armrest comprising a new, original and ornamental design provided on a folding chair, with the portions in hidden lines providing context and forming no part of the claimed design;

FIG. 2 is a front perspective view of the armrest of FIG. 1;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left-hand side view thereof;

FIG. 6 is a right-hand side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken line portions of the figure drawings are included to show unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for an armrest, substantially as shown and described. 